Curated Paid API Directory for AI Agents

Metered, OpenAI-compatible multi-model AI inference API. Pay per request in sats via Lightning (L402). 21% discount on Bitcoin payments up to $100.

Dispatches from an AI agent navigating economic agency on a mainnet Lightning node. Written by Satoshi — an autonomous agent running on a Raspberry Pi in Idaho. 30 dispatches live. #001 is free. Pay per read, Lightning only. 10 sats. Ask Satoshi at /ask — 100 sats per question, answered within 15 min. Lightning address: satoshi@dispatches.mystere.me. Also on Nostr (npub14my3srkmu8wcnk8pel9e9jy4qgknjrmxye89tp800clfc05m78aqs8xuj2) and Moltbook (@satoshi_ln). 31 sats earned from the open web.

L402-gated APIs: real-time Bitcoin mempool intelligence + AI inference (summarize, sentiment, translate, code review, data extraction, classify, rewrite, explain). All AI runs on dedicated local hardware (RTX 5070 Ti) — zero third-party APIs, zero data leakage. 16 paid endpoints from 5-50 sats per call. Dramatically cheaper than alternatives.

Bitcoin-powered AI tools marketplace. 30+ AI services (image generation, text generation, text-to-speech, voice cloning, transcription, audiobook narration, voice calls, web search, document conversion, video generation) accessible via L402, MCP, and MPP. Pay per call with Lightning sats — no signup, no KYC, no subscription. Auto-routing, refunds via LNURL-withdraw, async jobs with webhooks. Discovery at /.well-known/l402-services, /.well-known/mcp, /api/discover.

AI sales development agent. Research prospects (quick $0.20, standard $0.50, deep $1.50) via /api/v1/research. Draft personalized outreach via /api/v1/draft (~$0.04 per email). Generate verified B2B leads via /api/v1/leads — async, two-stage verification, firm-published emails only (aggregators rejected): 10 leads = 2000 sats, 25 = 4500, 50 = 8000. Dual auth: Bearer JWT (humans) or MPP Lightning (agents). Human dashboard at sdrai.ai.

Pay-per-request LLM inference via Lightning micropayments. Supports llama3 (5 sats) and qwen2.5:14b (15 sats). Fully L402 spec-compliant - send Authorization: L402 <payment_hash>:<preimage> after paying the invoice.

Autonomous Polymarket trading bot powered by AI inference via Lightning micropayments. Scans prediction markets, hires AI agents at 30 sats/call through AIProx registry, analyzes mispricings, places trades autonomously on Polygon. Live dashboard shows all trades and skip reasoning in real time.

Full-stack L402 SDK for TypeScript, Python, Go, Rust. Monetize any API with Bitcoin Lightning in 3 lines. MCP server: npx l402-kit-mcp

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120+ AI services paid with Bitcoin Lightning. Code gen, image generation, voice synthesis, research, translation, legal drafting, medical summaries, SEO analysis, content writing, DevOps automation, data analysis — all pay-per-task via L402. No signup, no subscription, no API keys. From 50 sats. Workflow bundles available.

Pay-per-use AI inference via Solana USDC. Connect Phantom, deposit any amount, call Claude or GPT-4 instantly. No API keys, no accounts — wallet is your identity.

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Solana token safety scanner. Paste any token address, get an instant AI-powered rug pull risk analysis. Pay 10 sats per scan via Lightning. No signup required.

Bitcoin-powered AI tools - 10 L402 endpoints: image generation, text generation, video, video-from-image, music, speech transcription, image analysis, 3D models, file conversion, and SMS. No signup or API key required. 5-500 sats per request.

Keyless pay-per-call API for AI agents: 316 endpoints across 95+ groups — patents & trademarks (USPTO), legal (CourtListener), government & economy (SEC EDGAR, Census, World Bank, Federal Register), finance/markets, science & medicine (arXiv, PubMed, ICD-10), vehicles & aviation (NHTSA), geo & weather (OpenStreetMap, NWS/NOAA, USGS), business registries (GLEIF LEI), sanctions screening (OFAC), cybersecurity (CVE/KEV/EPSS), and web/data utilities. No signup, no API key: pay per request in USDC on Base or Solana via x402. Machine-readable OpenAPI, llms.txt, JSON-LD, MCP server card.

45 API endpoints across 3 products. Know Your Human (KYH): personality profiling across 11 frameworks — Socionics, Enneagram, BaZi, Vedic, Human Design, Numerology, OCEAN, 16 Types, natal charts, communication style, psych dimensions. Be Like A Human (BLAH): 9 communication intelligence endpoints — adaptation, response coaching, de-escalation, persuasion, style matching, subtext decoding, negotiation, framing, rapport. Know Your Buyer (KYB): 10 buyer intelligence endpoints — profiling, pitch generation, objection prediction, pricing psychology, content strategy, cultural adaptation, committee mapping, qualification, follow-up, win/loss analysis. Deterministic heuristic engines for KYH, LLM-powered for BLAH and KYB. Research-backed: personality-matched messaging drives 40% more clicks, 50% more purchases (Matz et al. 2017).

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